Uploaded January 2021 | Updated September 2026, 3 weeks ago

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✔️ Works in 2020.1 ➕ 2020.2 ➕ 2020.3

Oftentimes, it's useful to set shader properties from a C# script. In this video, I show how to set property values on a shader created in the URP shader graph. In the process, I create a system that draws colored ripples wherever you click on a mesh.

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💬 Video transcript
► docs.google.com/document/d/1X2L8IxQ4EEqKgnRtrF0jI4_MH_G7U8bNkPce_LchiZw/edit?usp=sharing

📚 Reference scripts
► Initial script: gist.github.com/NedMakesGames/261a7b0a462c4090e744cf4ff7ef8ea3
► Random colors: gist.github.com/NedMakesGames/7c9a64b7920559b92cac4c8c7d7c58f5
► Copied material: gist.github.com/NedMakesGames/3915393771ecf65b26fc2a9693056bde
► Property IDs: gist.github.com/NedMakesGames/07bf7599e0a8867c01646fc180de5e67

⏲️ Timestamps:
0:00 Intro
0:57 Project setup
1:47 The graph
3:40 The initial script
5:04 Randomizing colors
5:58 Instantiate material
6:33 Optimizations
7:35 Wrap up and credits

🎖️ Credits and references:
• James Opie AKA Nihilore: music "Oblivious" - youtube.com/watch?v=rjWb_WwY2cA
• Unity Technologies: Let's Try: Shooting with Raycasts - learn.unity.com/tutorial/let-s-try-shooting-with-raycasts#5c7f8528edbc2a002053b469

#GameDev #IndieDev #Unity